Number of ways to place n nonattacking composite pieces bishop + semi-rook on an n X n board.
A185056
Number of ways to place n nonattacking composite pieces bishop + semi-rook on an n X n board.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =24a(4) =125a(5) =796a(6) =5635a(7) =48042a(8) =453947a(9) =4834872a(10) =56433455a(11) =727449366a(12) =10099103269a(13) =152097526360
External references
- oeis: A185056